A variety of fast neutron beams for radiobiological research. 1996

G Wolber, and K H Höver, and W Maier-Borst, and W J Lorenz, and O Krauss
Department of Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany.

The design and construction of a new fast neutron facility and first dosimetric results obtained from seven neutron beams are presented. The neutrons are produced by bombarding beryllium targets with protons and deuterons from our K = 32 negative ion cyclotron. The dose rate in air 1 m distance from the thick target within a 13 x 13 cm2 field amounts to about 50 cGy/min at 30 microA of 32 MeV protons.

UI MeSH Term Description Entries
D011879 Radiotherapy Dosage The total amount of radiation absorbed by tissues as a result of radiotherapy. Dosage, Radiotherapy,Dosages, Radiotherapy,Radiotherapy Dosages
D011882 Radiotherapy, High-Energy Radiotherapy using high-energy (megavolt or higher) ionizing radiation. Types of radiation include gamma rays, produced by a radioisotope within a teletherapy unit; x-rays, electrons, protons, alpha particles (helium ions) and heavy charged ions, produced by particle acceleration; and neutrons and pi-mesons (pions), produced as secondary particles following bombardment of a target with a primary particle. Megavolt Radiotherapy,High-Energy Radiotherapy,Radiotherapy, Megavolt,High Energy Radiotherapy,Radiotherapy, High Energy
D004867 Equipment Design Methods and patterns of fabricating machines and related hardware. Design, Equipment,Device Design,Medical Device Design,Design, Medical Device,Designs, Medical Device,Device Design, Medical,Device Designs, Medical,Medical Device Designs,Design, Device,Designs, Device,Designs, Equipment,Device Designs,Equipment Designs
D005214 Fast Neutrons Neutrons, the energy of which exceeds some arbitrary level, usually around one million electron volts. Fast Neutron,Neutron, Fast,Neutrons, Fast
D006302 Health Services Research The integration of epidemiologic, sociological, economic, and other analytic sciences in the study of health services. Health services research is usually concerned with relationships between need, demand, supply, use, and outcome of health services. The aim of the research is evaluation, particularly in terms of structure, process, output, and outcome. (From Last, Dictionary of Epidemiology, 2d ed) Health Care Research,Medical Care Research,Research, Health Services,Action Research,Health Services Evaluation,Healthcare Research,Research, Medical Care,Evaluation, Health Services,Evaluations, Health Services,Health Services Evaluations,Research, Action,Research, Health Care,Research, Healthcare
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001608 Beryllium An element with the atomic symbol Be, atomic number 4, and atomic weight 9.01218. Short exposure to this element can lead to a type of poisoning known as BERYLLIOSIS.
D017357 Cyclotrons Devices for accelerating charged particles in a spiral path by a constant-frequency alternating electric field. This electric field is synchronized with the movement of the particles in a constant magnetic field. Synchrocyclotrons,Cyclotron,Synchrocyclotron

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